Great working condition - battery compartment nice and clean - nice example
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eBay
This antique Sikes hydrometer, dating back to the period of 1800 to 1900, is a beautifully crafted piece of scientific instrumentation. Made of brass in the United Kingdom, this hydrometer would have been used for measuring the density of liquids in a variety of scientific experiments and observations. The ornate design and craftsmanship of this instrument make it a valuable collectable for enthusiasts of historical scientific tools. The added bonus of a broken thermometer adds to the charm and uniqueness of this piece, making it a treasure for collectors of rare and vintage scientific instruments.
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The calculator and case are in very good condition. There have been no battery leakage the calculator is working and all the keys have a positive click. This was my calculator and it had little use. The only minor deterioration is part of the blue rubber band is missing from the slot around the white casing.
eBay
eBay
This vintage glass potometer is a rare and valuable piece of scientific apparatus, perfect for collectors or those interested in biological research. Made of high-quality glass, this potometer is a unique addition to any collection of scientific instruments. Its historical significance and craftsmanship make it a sought-after item for enthusiasts of vintage scientific equipment. The glass is dirty, no damage to any part. Comes with an extra glass stopper
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(Acanthocephalan Macracanthorhynchus. Ectoparasitic Arthropod Pediculus humanus w.m. (Human body Louse). • This composite set has the occasional edge chip/wear. Definitive Host: Human) - Schistosomiasis.
eBay
eBay